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This factsheet describes early blight of tomato, including identification, transmission and disease management, and control.
This vegetable pathology factsheet describes the identification and treatment of tomato late blight.
This disease factsheet describes Fusarium wilt of tomato. Symptoms, pathogen, environmental conditions, and management are included.
The Southeastern Vegetable Extension Workers Group (SEVEW) is proud to offer you the 25th edition of the Southeastern U.S. 2024 Vegetable Crop Handbook. We are excited to provide growers, crop advisers, county educators, Extension agents, and specialists throughout the southeastern United States with this handbook. This handbook represents a joint effort among Extension specialists and researchers from 15 land-grant universities in the U.S. who work in the area of vegetable production. These specialists and researchers represent a wide array of disciplines: agricultural engineering, entomology, food safety, horticulture (vegetable production), plant pathology, postharvest physiology, soil science, and weed science.
This factsheet describes three viruses that affect tomato: tobacco mosaic virus (TMV), Tomato mosaic virus (ToMV), and Tomato brown rugose fruit virus (ToBRFV). It provides information about symptoms and signs, disease cycle, and control.
Tomato spotted wilt virus (TSWV) is an important pathogen that causes disease in numerous crops, especially tomatoes and peppers. Resistance-breaking variants of TSWV were discovered in NC on tomato varieties with the Sw-5 resistance gene during the summer of 2022. Given that host resistance is currently the most effective management strategy of TSWV, these strains pose a great threat to tomato production in the coming years. This article will focus on TSWV identification and management strategies for tomatoes and peppers.
This factsheet covers the identification and control of septoria leaf spot of tomatoes.
This factsheet discusses the symptoms and control of bacterial spot of peppers and tomatoes.
This vegetable disease factsheet discusses collar rot and Alternaria stem canker of tomato, which are caused by different species of fungi belonging to the genus Alternaria. Both pathogens can cause large, irregularly shaped stem lesions with pronounced concentric rings. However, the concentric rings may not always be pronounced with collar rot.
This plant disease fact sheet discusses southern blight, a soil-borne fungus that attacks tomatoes and peppers, and several other economically important crops, including beans, cantaloupe, carrots, peppers, potatoes, sweet potato, and watermelon.
Southern bacterial wilt of tomatoes is addressed in this factsheet.
This factsheet describes the symptoms and management of various viruses that can affect greenhouse tomato production in North Carolina.
Clavibacter michiganensis, commonly known as bacterial canker, is considered one of the most necessary-to-manage diseases in the greenhouse tomato industry. Bacterial canker spreads quickly to infect both transplanted and directly seeded crops, especially through pruning practices when shears are not properly disinfected. An epidemic can begin with a single infected seed, so disease prevention should always remain a top priority for all growers.
This publication describes gray leaf spot of tomato. Disease management options are provided for conventional and organic growers and for homeowners.
This vegetable disease fact sheet discusses three foliar fungal diseases (Botrytis gray mold, leaf mold, and powdery mildew) of high tunnel and greenhouse tomatoes.
Tomato pith necrosis, first observed on tomato plants in 1978, continues to be a threat to tomato production across the US. The disease most severely impacts crops where high humidity and stress conditions are present, and as a result, it is mostly a concern for greenhouse and high tunnel tomatoes, but it can also impact field-grown tomatoes. There are currently no tomato varieties resistant to pith necrosis, nor any chemical treatments commercially available, so preventing the disease with good management practices is the best way to limit its occurrence.
